● PCI Express

● I/O connection: DB9

● Serial ports: 4 (or 2) RS-232/422/485

● Isolation：

- Tru-ISO: IPC-2221B

- I/O to PC, Port to Port:1700 V peak (AC or DC) UL-1577

- UL recognition: 2500 V rms for 1 minute

● Serial data rates: RS-232=460.8k (921.6k avail); RS-422/485=3Mbps

● UART: Quad type 16C950 with 128-byte transmit & receive FIFO, 16C550 compliant

● ESD Protection: ±15kV on all signal pins

● Character length: 5, 6, 7, 8, or 9* bits

● Parity: Even, Odd, None, Space, Mark

● Stop interval: 1, 1.5, or 2 bits

● Flow Control: RTS/CTS and/or DSR/DTR, Xon/Xoff

● Operating Temperature 0° to +70°C

● Storage Temperature -40° to +105°C

● Humidity 5% to 95% RH, without condensation

● Power required: +3.3VDC @ 0.8W (typical), +12VDC @ 0.9W (typical)

● Size: 6.600″ long x 4.200″ high (167.65 mm long x 106.68 mm high)